I wanted to open a picture sent by a friend in the Sketch app in order to highlight something and send it back. The app didn't have permission to access the file system. A popup appeared. I clicked "Allow", then, "Screen overlay detected" appeared and it just wouldn't let me through.
Now, I've read that I can disable screen overlay, add the permissions, and then re-enable it, but I don't feel like going through all my apps to see what permissions they need, neither I feel like disabling & enabling this every time I need to allow something.
Is there any reason why Google did this? I guess there must be a serious security concern, since this is very user unfriendly, but I have no idea what that could be.
See the pictures in the following question for examples of the problem